RD4
4TB WD Purple Surveillance Internal Hard Drive - 5400 RPM Class, SATA 6 Gb/s, , 64 MB Cache, 3.5"
NDAA Compliant
This model is compliant with the NDAA (National Defense Authorization Act). It does not use or deploy critical components including SoCs produced by NDAA banned component vendors, which is recommended for enterprises and critical applications where compliance is essential.